Angle Bisector Proportionality Theorem

Use this applet to discover the angle bisector proportionality theorem!

Angle Bisector Proportionality Theorem

As you drag the vertices of the triangle, pay attention to which ratios stay equal.

Which of the following is not a ratio that is always equal?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

Apply Angle Bisector Proportionality

Select all that apply
  • A
  • B
  • C
Check my answer (3)